Hunt Et Al

Hunt et al. (2008) examined numerical competency in New Zealand robins. They found that

A) The birds always chose the cache with the larger number of food items
B) The birds took many trials to learn which cache had the larger number of food items
C) The birds took many trials to learn that they would get the larger food reward if they chose the cache with the smaller amount of food
D) The birds always chose the cache that had the first food items placed in it
E) The birds preferred the larger cache when the total number of food items was less than ten